 var str = [A,B,C,D,E,F,J,H,I,K,Q,W,R,T,Y,U,O,P,S,G,L,Z,X,V,N,M];
 var str = [a,b.c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z];
 var str = [0,1,2,3,4,5,6,7,8,9];